On Sat, 2011-12-17 at 01:51 +0100, Reindl Harald wrote: > how is the following changelog-entry to understand? Well the changelog entry says: > * Thu Dec 15 2011 Dave Jones <davej@xxxxxxxxxx> > 2.6.41.5-3 - Disable Intel IOMMU by default. So I would assume that means that the Intel IOMMU is disabled by default now. If what you're asking is "why", I'd hazard that it's because either the hardware or the driver are buggy, so it's worth protecting people from. Which I can personally attest to, since we've had to fix the graphics driver's interaction with IOMMU a couple of times now and it's still not perfect. > can this introduce this old KB of VMware? > http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2269 Not that this is a vmware support forum, but I'm pretty sure that kb article says that disabling the IOMMU is a workaround for an issue. So I'm not sure what you're worried about. - ajax
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